By the terms of a treaty signed in this city, Stanislaw Leszczynski accepted the rule of Augustus III, who had been the Duke 
By the terms of a treaty signed in this city, Stanislaw Leszczynski accepted the rule of Augustus III, who had been the Duke of Saxony; that treaty ended the War of the Polish Succession. Wilhelm von Roggendorf defended this city from an attack that included large numbers of ineffective Sipahi cavalry, while Jan III Sobieski aided in the 1683 defense of this city from an assault ordered by Mehmet IV. Twice besieged by the Ottomans, for 10 points, name this European city, the capital of Austria.
By the terms of a treaty signed in this city, Stanislaw Leszczynski accepted the rule of Augustus III, who had been the Duke of Saxony; that treaty ended the War of the Polish Succession.
{Vienna}